Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________?

Related Mcqs:

The process of removal of scale formed during hot rolling of steel is termed as_________________?

A. Descaling B. Shot blasting C. Pickling D. Skimming...

Which of the following has the least value of ultimate tensile strength (UTS) ?

A. Medium carbon steel B. High carbon steel C. Cast iron D. Wrought iron...

Pick out the wrong statement about the machinability of metals. Machinability of a metal ?

A. Decreases with increase in strain hardening tendencies B. Decreases with increase in hardness, in general C. Depend on the composition, microstructure and physical & mechanical properties D. Decreases with increases in tensile strength & decrease in grain size...

Silicon in steel__________________?

A. Makes it usable in almost all magnetic circuits where alternating current is used B. Increases its electrical resistivity and decreases the hysteresis loss C. Is present upto 5% & 4% respectively when used in transformers & motor armatures D. All ‘A’, ‘B’ & ‘C’...

Dephosphorization of molten pig iron is favoured by_______________________?

A. Oxidising and basic slag B. Reducing and basic slag C. High activity co-efficient of phosphorous in metal D. Oxidising and neutral slag...